Chemistry, 21.10.2020 23:01 angelteddy033
Select the correct answer.
In which situation is no work considered to be done by a force?
A.
when the angle between the force and displacement is 180°
B.
when the angle between the force and displacement is 90°
C.
when the angle between the force and displacement is 45°
D.
when the angle between the force and displacement is 0°
Answers: 1
Chemistry, 21.06.2019 16:00
Endeleev saw trends in the physical and chemical properties of elements when he organized them by
Answers: 2
Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 23.06.2019 00:10
Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas
Answers: 3
Chemistry, 23.06.2019 09:30
Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.
Answers: 1
Select the correct answer.
In which situation is no work considered to be done by a force?
Chemistry, 22.02.2021 16:50
Mathematics, 22.02.2021 16:50
Mathematics, 22.02.2021 16:50
English, 22.02.2021 17:00
English, 22.02.2021 17:00
History, 22.02.2021 17:00
Chemistry, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
English, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
Biology, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00